package bit2;

import java.io.File;

public class bitMain24 {
    public static void main(String[] args) {

    }
    public static void main1(String[] args) {
        File file=new File("test");
        System.out.println(file.exists());
        file.mkdir();
        System.out.println(file.exists());
        System.out.println(file.isDirectory());
    }
}
